211577219

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{9349}}^1$

素因数の和:9470

約数の個数: 16

約数和(自身を含む): 250430400

約数和(自身を除く): 38853181

約数列:

[1, 7, 53, 61, 371, 427, 3233, 9349, 22631, 65443, 495497, 570289, 3468479, 3992023, 30225317, 211577219]

約数ペア:

[(1, 211577219), (7, 30225317), (53, 3992023), (61, 3468479), (371, 570289), (427, 495497), (3233, 65443), (9349, 22631)]